P144F
1A2708 - P144FInformation saved in
DME
Fault code
1A2708 - P144F
Fault text
Electric fan cutout relay, plausibility: Fault when the relay is
switched on and off
Fault description
The diagnostic function monitors the electric fan cutoff relay
to determine whether it is open.
Condition for fault identification
Test condition:
The fault is recognized when the cutoff relay fails to
operate.
Potential problem source(s):
- Cutoff relay for electric fan defective
Terminal condition: none
Voltage condition:
- None
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none
Condition for fault memory entry
This fault is logged in the control module's fault memory if
it remains present for longer than 20 sec.
Action in service
- Check electric fan cutoff relay: Apply activation signal to
electric fan, it should be possible to hear the relay switching
Fault effect and breakdown warning
Breakdown notice:
- Probably not possible to activate electric fan, continued
driving at reduced power possible.
Possible apparent symptoms:
- Engine can overheat, breakdown in extreme cases
Driver information
Warning light:
- ECE emissions warning lamp: off
- US emissions warning lamp: off
- ECE electronic engine power reduction: off
- US electronic engine power reduction: off
- CC message: none
Service instruction
- none